Coaster



FIG. 1 is a top perspective view of a coaster showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof, the other sides being the same as the side shown;

FIG. 4 is a cross-sectional view taken along the lines 4--4 shown in FIG. 2; and,

FIG. 5 is an enlarged fragmentary view of an outer peripheral section thereof.

The broken lines in FIGS. 3 and 4 represent anti-scratch foot pads attached to the bottom of the coaster but form no part of the claimed design and are merely present for illustration purposes only. 

The ornamental design for a coaster, as shown and described. 